CompTIA JK0-016 Real Exam Questions

The CompTIA Network+ certification is the sign of a competent networking professional. It is an international, vendor-neutral certification that proves a technician’s competency in managing, maintaining, troubleshooting, installing and configuring basic network infrastructure.

1: In the OSI model, which of the following layers would be the cause of a session time-out while browsing the web?

A.Layer 2
B.Layer 3
C.Layer 5
D.Layer 7
Correct Answers: C

2: Which of the following network hardware allows the MOST network traffic collisions?

A.WAP
B.Hub
C.Switch
D.Router
Correct Answers: B

3: Which of the following does a star ring topology use for data transfer?

A.CSMA/CD
B.CSMA/CA
C.CHAP
D.Token passing
Correct Answers: D

4: On a Windows network, users are reporting that they cannot access any network resources. The users can ping the IP address and connect to the network resource using the IP address. Which of the following is the cause of the problem?

A.The file server is offline.
B.The DNS server is not resolving correctly.
C.The DHCP server is not assigning correct IP addresses.
D.The domain controller is not responding.
Correct Answers: B

5: Which of the following is a valid IP address in the public addressing scheme?

A.10.20.1.1
B.168.192.10.1
C.233.10.20.1
D.172.20.10.1
Correct Answers: B

6: A computer configured to use DHCP cannot locate a DHCP server. Automatic Private IP Address (APIPA) will assign which of the following addresses?

A.172.16.1.25
B.169.254.1.25
C.10.16.1.25
D.192.168.1.25
Correct Answers: B

7: A user reports that when the phone rings in their house the wireless on their laptops becomes disconnected. Which of the following BEST describes the issue?

A.The cordless phones are plugged into same outlet as the router
B.The cordless phones are 5.8Ghz which interferes with wireless
C.The cordless phones are 2.4Ghz which interferes with wireless
D.The cordless phones are plugged into the RJ-11 jack
Correct Answers: C

8: For an enterprise to use one of the reserved private IP address ranges, as best practice they should coordinate with:

A.their legal department.
B.IANA
C.IEEE
D.their IT department.
Correct Answers: D

9: Which of the following utilities will produce the results printed below?
Tracing route to 172.30.0.78 over a maximum of 30 hops
  1 <1 ms <1 ms172.30.0.78

A.tracert
B.ping
C.arp
D.netstat
Correct Answers: A

10: A network technician is installing a small wireless network. A requirement is that individual users must authenticate using usernames and passwords. Which of the following technologies would support users authenticating with encrypted usernames and passwords?

A.WPA TLS
B.WPA PEAP
C.64-bit WEP
D.128-bit WEP
Correct Answers: B

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